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382aa48f04
Most of the failures are: * https://github.com/llvm/llvm-project/issues/118879 * https://github.com/llvm/llvm-project/issues/134659 But some are also miscompilations leading to wrong results. I'm not going to investigate the latter further until all the backend crashes have been resolved.
89 lines
3.6 KiB
Zig
89 lines
3.6 KiB
Zig
const std = @import("std");
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const builtin = @import("builtin");
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const mem = std.mem;
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const expect = std.testing.expect;
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test "@select vectors" {
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if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
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if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
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if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
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if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
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if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest;
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if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
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try comptime selectVectors();
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try selectVectors();
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}
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fn selectVectors() !void {
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var a = @Vector(4, bool){ true, false, true, false };
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var b = @Vector(4, i32){ -1, 4, 999, -31 };
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var c = @Vector(4, i32){ -5, 1, 0, 1234 };
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_ = .{ &a, &b, &c };
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const abc = @select(i32, a, b, c);
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try expect(abc[0] == -1);
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try expect(abc[1] == 1);
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try expect(abc[2] == 999);
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try expect(abc[3] == 1234);
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var x = @Vector(4, bool){ false, false, false, true };
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var y = @Vector(4, f32){ 0.001, 33.4, 836, -3381.233 };
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var z = @Vector(4, f32){ 0.0, 312.1, -145.9, 9993.55 };
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_ = .{ &x, &y, &z };
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const xyz = @select(f32, x, y, z);
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try expect(mem.eql(f32, &@as([4]f32, xyz), &[4]f32{ 0.0, 312.1, -145.9, -3381.233 }));
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}
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test "@select arrays" {
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if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
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if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
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if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
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if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
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if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest;
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if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
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if (builtin.zig_backend == .stage2_x86_64 and
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!comptime std.Target.x86.featureSetHas(builtin.cpu.features, .avx2)) return error.SkipZigTest;
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try comptime selectArrays();
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try selectArrays();
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}
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fn selectArrays() !void {
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var a = [4]bool{ false, true, false, true };
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var b = [4]usize{ 0, 1, 2, 3 };
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var c = [4]usize{ 4, 5, 6, 7 };
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_ = .{ &a, &b, &c };
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const abc = @select(usize, a, b, c);
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try expect(abc[0] == 4);
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try expect(abc[1] == 1);
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try expect(abc[2] == 6);
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try expect(abc[3] == 3);
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var x = [4]bool{ false, false, false, true };
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var y = [4]f32{ 0.001, 33.4, 836, -3381.233 };
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var z = [4]f32{ 0.0, 312.1, -145.9, 9993.55 };
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_ = .{ &x, &y, &z };
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const xyz = @select(f32, x, y, z);
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try expect(mem.eql(f32, &@as([4]f32, xyz), &[4]f32{ 0.0, 312.1, -145.9, -3381.233 }));
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}
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test "@select compare result" {
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if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest;
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if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest;
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if (builtin.zig_backend == .stage2_x86_64 and builtin.target.ofmt != .elf and builtin.target.ofmt != .macho) return error.SkipZigTest;
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if (builtin.zig_backend == .stage2_llvm and builtin.cpu.arch == .hexagon) return error.SkipZigTest;
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const S = struct {
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fn min(comptime V: type, lhs: V, rhs: V) V {
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return @select(@typeInfo(V).vector.child, lhs < rhs, lhs, rhs);
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}
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fn doTheTest() !void {
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try expect(@reduce(.And, min(@Vector(4, f32), .{ -1, 2, -3, 4 }, .{ 1, -2, 3, -4 }) == @Vector(4, f32){ -1, -2, -3, -4 }));
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try expect(@reduce(.And, min(@Vector(2, f64), .{ -1, 2 }, .{ 1, -2 }) == @Vector(2, f64){ -1, -2 }));
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}
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};
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try S.doTheTest();
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try comptime S.doTheTest();
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}
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